| Zientek, Alfred Gustav | Kowalewski | 1912 | Blumenthal |
| Zientek, Heinrich | Kurka | 1909 | Bremen 1 |
| Zientek, Paul Julius | 1910 | Blumenthal | |
| Zientek, Sophie | Kurka | 1900 | Bremen |
| Zientek, Wilhelm Valentin | Kurka | 1902 | Bremen 1 |
| Zientek, Wladislawa Johanne | Kurka | 1901 | Bremen |